Thioredoxin — Thioredoxins are proteins that act as antioxidants by facilitating the reduction of other proteins by cysteine thiol disulfide exchange. Thioredoxins are found in nearly all known organisms and are essential for life in mammals. [cite journal… … Wikipedia

Olympic Games scandals and controversies — The Olympic Games is a major international multi sport event. During its history, both the Summer and Winter Games were a subject of many scandals and controversies. Some states boycotted the Games on various occasions, often as a sign of protest … Wikipedia